An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. Remain unchanged Increase exponentially Increase Decrease TRUE ANSWER : ? YOUR ANSWER : ?
In case of a P.F.R., there Both A and B Neither A nor B Should not be any mixing along the flow path May be lateral mixing of fluid TRUE ANSWER : ? YOUR ANSWER : ?
Reactions with high activation energy are Temperature insensitive Very temperature sensitive Always irreversible Always reversible TRUE ANSWER : ? YOUR ANSWER : ?
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. May be greater or less than Is always less than Is always greater than Is always equal to TRUE ANSWER : ? YOUR ANSWER : ?
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is Zymase Diastase Maltase Invertase TRUE ANSWER : ? YOUR ANSWER : ?
For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Ideal plug flow Bypass Chanelling Dead zone TRUE ANSWER : ? YOUR ANSWER : ?
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised Fluidised Fixed TRUE ANSWER : ? YOUR ANSWER : ?
For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times. 12 32 16 8 TRUE ANSWER : ? YOUR ANSWER : ?
With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction Increases Increases linearly with temperature Remains unaffected Decreases TRUE ANSWER : ? YOUR ANSWER : ?
Promoter. Atlers the position of equilibrium in a reversible reaction All of these Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Initiates a chemical reaction and is a catalyst by itself TRUE ANSWER : ? YOUR ANSWER : ?